Welcome to the Tri-County Electric Information Website! Feel free to browse the site to learn more about TCEMC. Home Energy Audit! The Home Energy Audit from Touchstone Energy is a new service available for Tri-County Electric members. This easy-to-use Home Energy Savings tool is designed to help you identify the best ways to save energy in your home. Tri-County Electric Membership Corporation is a member-owned energy provider chartered May 8, 1940. Located in Dudley, North Carolina, Tri-County serves over 22,340 consumers/members in Wayne, Duplin, Lenoir, Johnston, Jones, Sampson and Wilson Counties. We welcome you to browse our website to learn more about Tri-County Electric Membership Corporation. Click Here to view our current Service Area.